Umbrella vent



FIG. 1 is a top perspective view of an umbrella vent showing my newdesign on an umbrella;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a an enlarged side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of an umbrella depicts environment only andforms no part of the claimed design.

The portion of the umbrella vent shown in FIG. 6 forms no part of theclaimed design but the small portions of the underside of the umbrellavent shown in FIG. 4 and other figures are part of the claimed design.

The ornamental design for an umbrella vent, as shown and described. 